It’s time to change Here is some advice on how to be healthy. In tells us what we must do if we want to keep ourselves fit. "Early to bed, early to rise, makes a man healthy, wealthy and wise." is an English saying. It means we must go to bed early in the evening and get up early in the morning. The body must have enough sleep. If we do not go to bed early, we cannot have enough sleep. Then we cannot be wise or live a comfortable life. When the day light comes, we must get up. This is the time for exercise. Exercise helps blood to move around inside the body. Blood takes food to our brains. Exercise helps us to think better!